Description
The GRACO 555685 is an O-ring seal made from Viton-A (fluorocarbon rubber) with a hardness of 75 Duro. It is designed for use in GRACO equipment to provide reliable sealing in applications requiring chemical and solvent resistance.
Key Features:
- O-Ring
- Viton-A (FKM) fluorocarbon rubber, 75 Duro
- Designed for use in GRACO equipment; compatible with systems requiring Viton-A seals
- Chemical and solvent resistance
- High reliability in demanding environments
- Long service life
Applications:
Used in GRACO equipment for sealing applications where resistance to chemicals, oils, and solvents is required. Suitable for industrial, lubrication, and maintenance systems.
Installation Notes:
- Using genuine GRACO O-rings ensures proper fit, performance, and longevity, reducing the risk of leaks and equipment downtime.
- Inspect O-ring for damage before installation
- Ensure mating surfaces are clean and free of debris
- Lubricate O-ring with compatible lubricant if recommended by equipment manual
- Avoid twisting or stretching O-ring during installation
- Regularly inspect O-rings for wear, cracks, or degradation
- Replace O-rings during routine maintenance or at first sign of failure
- Store spare O-rings in a cool, dry place away from direct sunlight






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